GUARDING JULIA

Julia Roberts, answering an urgent call of nature at LA's posh Ivy restaurant, found a long line at the ladies' room -- and proved she's a steel magnolia! Julia actually sweet-talked a guy into standing guard while she used the men's room! But when impatient ladies who witnessed Julia's high-powered chutzpah asked for equal treatment, the guys in line just laughed and said: Sorry -- Julia's a STAR!